301 | Adjustable Curved Blade Supply Grille / Register Truaire's A300 series diffusers are the best of the best. Individually adjustable curved blades combined with 5 different face patterns provide the ultimate in air control. These sleek diffusers are made of aluminum so they are light-weight and will not rust. You can even add the extra control of our high-quality opposed blade damper.
 
A301HM_12X8